You've probably seen Marinetti's concrete poem
, John. Your thread got me looking things up, so I found this, which I remembered seeing pictures of at some point.
It's interesting that what the Futurists were doing with the printing press calligraphers Islamic and otherwise had been doing for centuries. Here's a piece by David Jones, which is a concrete or visual rendering of a traditional text:
The description of it reads:
Inscribed as a Christmas card to Harman Grisewood and his family and dated 1961, the Latin text is taken from the ritual of the Mass and reads "May the Lord enkindle in us the fire of His Love / and the flame of everlasting Charity"; the Welsh around the margin is a literal translation of the same.